knut.uppstad01:
Sunfilter
knut.uppstad01:
No sunspots on my Solar watch
knut.uppstad01:
Venus transit in 2012
knut.uppstad01:
Sunspots 29 of June 2021
knut.uppstad01:
Sunspots_22 April 2022
knut.uppstad01:
Sunspots_18 june 2022